Optoma Technology H77 manual Format, Keystone, Digital Zoom

Page 26

User Controls

English

Display

Projection

Front Desktop

 

Format

4:3

 

Vertical Shift

0

 

H. Keystone

0

 

V. Keystone

0

 

Digital zoom

10

DISPLAY

Format

4Native: Original image size.

416:9: The standard widescreen display format of the projector.

4Letterbox: Letterbox mode zooms a letterboxed image intended for 4:3 display to full screen wide.

Original Input

The letterbox

4Window: When a 4:3 image is bigger than a 16:9 screen, select the “Window” mode to fit the image onto the screen without changing the projection distance.

Original Input

Window

H. Keystone

Correct image distortion caused by rotating the projector horizontally.

V. Keystone

Correct image distortion caused by tilting the projector vertically.

Digital Zoom

Provide different magnification ratios to zoom an image. Images will be centered after zooming.

26

Image 26
Contents Table of Contents Precautions Usage NoticeDo not Product Features IntroductionPackage Overview Product Overview Main UnitControl Panel Connection Ports Wireless Remote Control Installation Connecting the ProjectorPowering On/Off the Projector Powering On the ProjectorPowering Off the Projector To raise or lower the projector Adjusting the Projected ImageAdjusting the Projector’s Height Adjusting the Projector’s Zoom/Focus Control Panel & Remote Control User ControlsKeystone & V.Keystone ContrastHue Re-SyncSource Using the Control Panel PowerLens Shift How to Operate Onscreen Display MenusMenu Tree Brightness ModeContrast ColorReset GammaSignal Image ModeAdvanced Adjustment White PeakingUser Controls Bulb Eco ModeLanguage Source LockProjection Vertical ShiftDigital Zoom FormatKeystone Problem Partial, scrolling, or incorrectly displayed images TroubleshootingProblem No image appears on screen AppendicesProblem Image is out of focus Problem Image is unstable or flickeringProblem Image has a vertical flickering bar Problem LED lighting message Problem Image is reversedProblem Lamp burns out or makes a popping sound Problem Message RemindersLamp Replacing Procedure Replacing the LampCeiling Mount Installation Screw type M6,M8,M10 Screw length 10,16,55 m/m